package com.tjbklx1.netty.demo01;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

public class TimeClientHandler extends ChannelInboundHandlerAdapter {

	private final ByteBuf firstMessage;
	
	public TimeClientHandler(){
		byte[] req= "QUERY TIME ORDER".getBytes();
		firstMessage=Unpooled.buffer(req.length);
		firstMessage.writeBytes(req);
	}
	
	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		ctx.writeAndFlush(firstMessage);
	}
	
	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
		ByteBuf buff = (ByteBuf) msg;
		byte[] req = new byte[buff.readableBytes()];
		buff.readBytes(req);
		String body = new String(req, "UTF-8");
		System.out.println("Now is :" + body);
	}
	
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
		System.out.println("exceptionCaught: "+cause.getMessage());
		ctx.close();
	}

}
